package Class::Scaffold::Environment::Configurator::File;

# $Id: File.pm 13653 2007-10-22 09:11:20Z gr $

use warnings;
use strict;
use File::Basename;


our $VERSION = '0.03';


use base 'Class::Scaffold::Environment::Configurator::Base';


__PACKAGE__
    ->mk_hash_accessors(qw(opt))
    ->mk_scalar_accessors(qw(filename));


sub init {
    my $self = shift;
    $self->SUPER::init(@_);

    if (my $conf_file = $self->filename) {
        # replace dollar-variables with their environment equivalent; also
        # some special definitions

        open my $fh, '<', $conf_file or die "can't open $conf_file: $!\n";
        my $yaml = do { local $/; <$fh> };
        close $fh or die "can't close $conf_file: $!\n";

        $ENV{SELF} = dirname($self->filename);
        $yaml =~ s/\$(\w+)/$ENV{$1} || "\$$1"/ge;

        require YAML;
        $self->opt(YAML::Load($yaml));
    }
}


# assume conf values are just top-level keys in the options hash
sub AUTOLOAD {
    my $self = shift;
    (my $method = our $AUTOLOAD) =~ s/.*://;
    $self->opt->{$method}
}


1;


__END__

{% USE p = PodGenerated %}

=head1 NAME

{% p.package %} - large-scale OOP application support

=head1 SYNOPSIS

    {% p.package %}->new;

=head1 DESCRIPTION

=head1 METHODS

=over 4

{% p.write_methods %}

=back

{% p.write_inheritance %}

{% PROCESS standard_pod %}

=cut

